Set progress dialog owners

[mfl28]

• Sets owners/parent windows for (application-modal) progress dialogs.

Closes #73 .

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.22 🎉

Comparison is base (088bc08) 85.72% compared to head (32d8164) 85.95%.

Additional details and impacted files

@@             Coverage Diff              @@
##             master      #74      +/-   ##
============================================
+ Coverage     85.72%   85.95%   +0.22%     
- Complexity     1410     1413       +3     
============================================
  Files            92       92              
  Lines          5767     5767              
  Branches        524      524              
============================================
+ Hits           4944     4957      +13     
+ Misses          563      550      -13     
  Partials        260      260              

Impacted Files	Coverage Δ
...om/github/mfl28/boundingboxeditor/ui/MainView.java	83.20% <ø> (-0.07%)	⬇️
.../github/mfl28/boundingboxeditor/utils/UiUtils.java	86.20% <ø> (ø)
.../mfl28/boundingboxeditor/BoundingBoxEditorApp.java	86.66% <100.00%> (+86.66%)	⬆️
...mfl28/boundingboxeditor/controller/Controller.java	77.84% <100.00%> (ø)
...28/boundingboxeditor/ui/ServiceProgressDialog.java	93.75% <100.00%> (+6.25%)	⬆️

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

100.0% Coverage
0.0% Duplication